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The $100 challenge.....
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kruzaroad View Drop Down
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Posts: 2617 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 15 Oct 2025 at 6:23pm
The barrel on the air chief is choked towards the end. You want me to drill the choke and see what happens?
Though it will be just that drill the choke out! No fancy finishing it.

Did a bit of web searching and found this




Unfortunately the name brings back no responce as even a word. Google reconned a misspelling of a russian brand or possibly Norinco china. Then i found this too which could be an updated model of that gun.
Any names or numbers on it?
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kruzaroad View Drop Down
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Posts: 2617 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 15 Oct 2025 at 6:42pm
Oh the spelling on the rifle when fully visible is Norkonya.
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JasonEdward View Drop Down
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Direct trigger sounds very very dodgy in itself but is likely just bad English...
I'm OK with Gamos but those rifles make Gamos seem like Sakos.
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kruzaroad View Drop Down
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Posts: 2617 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 15 Oct 2025 at 8:12pm
I.ve got a sneaking feeling that the trigger adjustment is just a flasher home made version of the screw i put in the air chief to hold the sear closer to the release point. Drilled a hole right about there through the trigger guard to do it.
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KiwiTR6 View Drop Down
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Originally posted by kruzaroad kruzaroad wrote:

The barrel on the air chief is choked towards the end. You want me to drill the choke and see what happens?

I cut the choke off the end of my barrel and re-crowned it but that made no difference at all.

Mercs cut his barrel in half and grouping improved dramatically.  He might chirp in with details.
Daystate Red Wolf .22
FX Dreamline .22
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AA S410 .22
HW98 .177
HW30 .177
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mercs View Drop Down
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85mm removed from barrel of Air Chief Junior.
It was heading for scrap when I tried this.
Originally I had 45mmOD at 10 metres with a red dot.

This target was at 7 metres using fixed sights.
The front sight was just pushed back on for lower target.

I Have since drilled the foresight mounting deeper and press fit back into place with no spline.

I can revisit at 10 metres with red dot if anyone is interested.
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kruzaroad View Drop Down
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Posts: 2617 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 16 Oct 2025 at 6:21pm
Id been keen mercs.
Be interesting to see if it opens up.

The barrel cut drop the fpe much?

Quite funny its more accurate with the barrel cut. Wonder if the choke is the prob. Was that cut off in the process?
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mercs View Drop Down
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Posts: 341 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mercs Quote  Post ReplyReply Direct Link To This Post Posted: 16 Oct 2025 at 8:13pm
Hi Kruza, yes I recall pushing several pellets through to confirm the barrel was choked within the cut-off.

I have a record of the as new Chrono test at 457 fps so can do a comparison.

From my notes:
20 practice shots to ensure barrel was coated with copper from FTT Power pellets.
Outdoors and conditions were excellent.

Full length barrel POA was the top bull with 86mm OD spread over the target.
Choke removed POA was the lower bull with 25mm OD and 50mm high.
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Billbobnz View Drop Down
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Posts: 918 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Billbobnz Quote  Post ReplyReply Direct Link To This Post Posted: 17 Oct 2025 at 9:16am
I must get mine out and do some more on it hahaha
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kruzaroad View Drop Down
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From the sounds of it bb a barrel change is required. Hows life that way? Taxidermy keeping ya busy?
Hows the south.
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Billbobnz View Drop Down
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Yes got a few mounts im working through at the moment.

My wife is having surgery at the moment so im kicking stones...
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kruzaroad View Drop Down
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Posts: 2617 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 17 Oct 2025 at 11:53am
All good. I hope the surgery turns out well.
When dont you have a few a mounts? Seems to me you just get more and more work as people find out and see your work.
You'll be starling shooting soon i guess. Spring and all
Gotten out lately? You live a busy life dont know where you find the time to shoot.
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mercs View Drop Down
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Posts: 341 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mercs Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2025 at 2:55pm
My Air Chief had a 73 fps improvement with choke removed.
That will account for improved accuracy.

Air Chief.177 Junior.177 Junior
Pellet BrandRWSRWS
Pellet typePro-LinePro-Line
Average fps457530
Grains77
grams0.450.45
foot pounds3.254.37
Joules4.405.92
measuredchokedno choke


Edited by mercs - 20 Oct 2025 at 3:06pm
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kruzaroad View Drop Down
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Posts: 2617 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2025 at 3:06pm
So thats the main issue then choke size.
Wonder how much it constricts.
Great info cheers mercs
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kruzaroad View Drop Down
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Posts: 2617 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 21 Oct 2025 at 2:52pm
i can't for the life me find my vernia.
Wanted to measure how much choke tightened.
So best could come up with.
Sig dagger pellets pushed through air chief barrel.
Size difference, before and after.

But a more interesting resault, which i repeated with a few pellets, to make sure it wasn't me, is the choke is only contacting part of the head. (All of the skirt but shallower where the head has no contact.)

Im assuming this isn't just my barrel.
Anyway something to look at for anyone still tinkering away.
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